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单词
jackhammer
释义
jackhammer
/jak"ham'euhr/
,
n.
a portable drill operated by compressed air and used to drill rock, break up pavement, etc.
[
1925-30,
Amer.;
JACK
1
+ HAMMER
]
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unomnipotent
unomniscient
unonerous
unontological
unopenable
unopened
unopening
unoperatable
unoperated
unoperatic
unoperatically
unoperating
unoperative
unopiated
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unopinioned
unopportune
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unopposing
unoppositional
unoppressed
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更新时间:2025/12/3 12:21:04